Codemotion

Main requirements

• We’re seeking a super-experienced Senior Fullstack Developer with deep expertise in JavaScript/TypeScript, particularly in Node.js, React, and Supabase, combined with practical experience in AI prompt engineering. You’ll architect, build, and optimize scalable applications that seamlessly integrate AI-assisted functionalities and modern cloud backends.

Requirements

Position Name: Senior FS Developer
Level: Senior FS Developer
Hard skills requirements (including years):

• 6+ years of Software Engineering experience
• 4-5 years of experience with Node.js (Express.js, koa.js, Nest.js)
• Strong experience and understanding of React, including Hooks and Context
• Strong experience and understanding of AWS
• Strong Software Design knowledge: OOD, FP, Design patterns
• Excellent knowledge of modern systems architecture components including microservices, event sourcing, and distributed data processing systems
• Proficient understanding of Git
• Excellent understanding of both NoSQL and SQL databases
• Experience with Docker & CI/CD processes
• Experience with Serverless framework, AWS Lambdas, AWS Cloudformation
• Knowledge of Agile (preferably SCRUM) development practices
• At least Upper-Intermediate level of English

Would be great 😎 :

• Strong experience with TypeScript
• Experience as a Tech / Team lead on projects
• A сomputer science, software engineering, or related field master’s or bachelor’s degree.
• Hands-on experience with messages queuing/delivery services (Amazon SQS, SNS, RabbitMQ, Kafka, etc.)

Responsibilities:

• Process improvements proposing and taking ownership of full-cycle of features delivering
• Active participation in technical discussions
• Actively participate in architectural design sessions, overall team meetings, product meetings, communities of practice, etc.
• Create an architectural design to illustrate high-level solutions to an application and feature requests
• Architect, design, and team cooperation to deliver features and services into production
• Writing and implementing efficient, extendable, and high-quality code in balance with rapid feature delivery
• Cross code reviews, technical documentation creation, and supporting

Upper English is a must

Main requirements

• 5+ years of experience working with Adroid/Kotlin
• Jetpack Media3 and ExoPlayer expertise for at least 1 year
• Audio Streaming experience on Android for at least 1 year

Requirements

Position name: Senior Android/Kotlin Developer
Level: Senior
Hard skills requirements (including years):

• Jetpack Media3 and ExoPlayer expertise
• Audio streaming via Media3 (remote URL handling)
• MediaSessionService implementation for background tasks
• Audio Focus management (AudioFocusRequest)
• Foreground Service configuration (mediaPlayback type)
• MediaStyle notification integration
• System Media Controls and Lock Screen integration
• Kotlin Coroutines and Flow for async API calls
• SimpleCache implementation for audio persistence
• LoadControl and buffering optimization
• Pre-fetching and lookahead caching logic
• AudioDeviceCallback and "becoming noisy" broadcast handling
• Android Keystore for secure credential storage
• Scoped Storage and Privacy Sandbox compliance
  
  Soft skills requirements:
  - Good communication skills
  - Proactive
  
  Office/Remote: Remote
  Project tasks:
  Implement an audio player component that fetches and plays a remote audio file via the API. Ensure the implementation handles loading states and basic playback controls within the existing UI.
  
  English level: Upper-Intermediate (B2+)

Main requirements

• 5+ years of experience working with IOS/Swift/SwiftUI
• AVPlayer expertise for at least 1 year
• Audio Streaming experience on IOS for at least 1 year

Requirements

Position name: Senior IOS/Swift Developer
Level: Senior
Hard skills requirements (including years):

• Swift, SwiftUI experience for at least 5+ years
• Advanced AVFoundation expertise
• Audio streaming (AVPlayer and AVPlayerItem) experience
• Audio Session Management (AVAudioSession) experience
• Working experience with State observation (KVO or Combine)
• Experience with Background playback configuration
• Remote Command Center integration (MPNowPlayingInfoCenter and MPRemoteCommandCenter)
• Audio interruption handling
• Swift Structured Concurrency (async/await)
• Caching and persistence (FileManager or URLCache)
• Streaming heuristics and pre-fetching
• Time observers (addPeriodicTimeObserver)
• Audio routing and hardware change handling
• Apple Privacy Manifests compliance
• Secure credential handling (Keychain)

Soft skills requirements:
- Good communication skills
- Proactive

Office/Remote: Remote

Project tasks:
Implement an audio player component that fetches and plays a remote audio file via the API. Ensure the implementation handles loading states and basic playback controls within the existing UI.

English level: Upper-Intermediate (B2+)

We’re looking for a motivated, battle-tested sales professional who doesn’t just chat with clients - you close them.

If you know how to turn “Just checking options” into signed SOWs and upfront payments, we want you on our team.
 

Your Mission:

• Catch and respond to fresh Upwork leads lightning fast (speed wins deals ⚡)
• Run sharp discovery calls and turn messy requests into clear, profitable projects
• Manage the full sales cycle end-to-end — from first message to contract signing and payment
• Work closely with recruiters and keep the CRM clean and accurate
   

You Are:

• Proven communicator with real Upwork sales experience (non-negotiable)
• 1+ year in IT sales or outstaffing
• Fluent in English (both written and spoken)
• Confident negotiating budgets and defending margins
   

What You Get:

• Competitive base salary + generous performance bonus (the more you close, the more you earn 💰)
• Fully flexible schedule (occasional night calls with US clients)
• Real projects, fast growth, and strong team support
   

This is a real opportunity for someone who wants to build a solid career in IT outstaffing sales and get rewarded for actual results.

Let’s hunt some deals together 🔥

Just read reviews on DOU https://jobs.dou.ua/companies/codemotion/reviews/. They can look sponsored, but please use common sense – you can’t just buy 100% of reviews if people are unhappy. And no trace on ee.it (at least yet 🤞)

If it is something that finds a voice in your heart - APPLY! We are seeking proficient Blockchain Ninjas.

What do we expect👈:

• 6+ years of Software Engineering experience

• 2+ years of provable hands-on commercial experience of blockchain development

• 1+ year work with Ethereum blockchain architecture and excellent understanding of Solidity & smart contracts development

• 3-4 years of experience with at least one of the following programming languages: Java, Nodejs, Python, Golang

• Strong Software Design knowledge: OOD, FP, Design patterns

• Proficient understanding of Git

• Excellent understanding of both NoSQL and SQL databases

• Experience with Docker & CI/CD processes

• Experience with AWS (or similar services like GCP or Azure)

• Knowledge of Agile (preferably SCRUM) development practices

• At least an Intermediate level of English

Would be great 😎:

• Strong experience with TypeScript

• Experience in the microservices architecture model

• Good understanding of public-key cryptography

• Understanding of NFT technology and tools

Responsibilities🤩:

• Be responsible for the full life cycles of blockchain application, from research and analysis to design and execution

• Process improvements proposing and taking ownership of full cycle of features delivering

• Research, design, develop, and test blockchain technologies

• Active participation in technical discussions

• Writing and implementing efficient, extendable, and high-quality code in balance with rapid feature delivery

• Cross code reviews, technical documentation creation, and support

Position name: Senior Python Engineer with AI / ML
Level: Senior

Hard skills requirements (including years):

• 6+ years of professional software engineering experience
• Advanced proficiency in Python with strong API design experience
• Strong experience with AI / ML-enabled products, including integration of machine learning models, AI services, or data pipelines supporting AI-driven functionality
• Proven experience building distributed systems and high-throughput backend services
• Strong experience with AWS (S3, API Gateway, Lambda, SQS)
• Hands-on experience with Docker and Kubernetes in production environments
• Experience implementing event-driven architectures and asynchronous processing
• Experience designing data ingestion, replication, or ETL-style pipelines
• Strong understanding of system architecture and schema design
• Practical hands-on experience with AI prompt engineering, leveraging ArgumentCode, ClaudeCode, Cursor, or equivalent developer-AI tools.
• Solid understanding of LLM context design, tool integration, and code-generation workflows

Responsibilities

• Platform Engineering: Build and maintain a custom API using Python and design services for large-scale data ingestion and replication.
• Cloud-Native Delivery: Deploy containerised services via Docker and Kubernetes while integrating AWS services (S3, API Gateway, Lambda, SQS).
• System Architecture: Implement event-driven patterns using queues and asynchronous processing.
• Quality & Reliability: Implement automated testing (unit, integration, performance) and ensure robust monitoring, logging, and failure recovery patterns.
• Collaboration: Work within agile ceremonies and align closely with DevOps on infrastructure and release processes.

English level: at least Upper Intermidiate

Position name: Senior React Native developer
Level: Senior Only
Hard skills requirements (including years):

• A minimum of 6 years developing React Native applications.
• Experience with Expo, Expo Router, Tamagui UI Toolkit, Zustand/Tanstack Query for state management

Soft skills requirements:

• Ability to work independently and collaboratively in a team environment.
• Excellent problem-solving skills and attention to detail.

Office/Remote: Remote
Project tasks:

• Pixel-perfect replication: Replicate the Lovable mobile site exactly. Every hex code, shadow, and frosted-glass effect must match the high-end web design 1:1. We do not compromise on design quality.
• AI-Streamlined Porting: Leverage Claude/LLMs to "convert" our React web logic and Supabase calls into high-performance React Native code to maintain startup speed.
• High-end Performance : Implement a vertical video feed using FlashList and the New Architecture to ensure 60-120fps scrolling with zero "jank."

English level: Upper

Requirements

Position name: Senior Node.js Developer(with AI agents experience)
Level: Senior
Hard skills:

• 6+ years of Software Engineering experience
• Strong experience with Node.js (Express.js, Koa.js, Nest.js)
• Strong Software Design knowledge: OOD, FP, Design patterns
• Practical hands-on experience with AI prompt engineering, leveraging ArgumentCode, ClaudeCode, Cursor, or equivalent developer-AI tools.
• Deep understanding of RESTful and GraphQL APIs, modern web performance, and security.
• Solid understanding of LLM context design, tool integration, and code-generation workflows.
• Excellent knowledge of modern systems architecture components including microservices, event sourcing, and distributed data processing systems
• Advanced experience with SQL databases, especially PostgreSQL
• Experience with Docker & CI/CD processes
• Experience with AWS (or similar services like GCP or Azure)
• Experience with Serverless framework, AWS Lambdas, AWS CloudFormation
• Knowledge of Agile (preferably SCRUM) development practices

Would be great 😎:

• Strong experience with TypeScript
• Experience as a Tech / Team Lead on projects
• A computer science, software engineering, or related field master’s or bachelor’s degree
• Hands-on experience with message queuing/delivery services (Amazon SQS, SNS, RabbitMQ, Kafka, etc.)

Responsibilities:

• Propose process improvements and take ownership of the full cycle of feature delivery
• Integrate and optimize AI/LLM workflows (e.g., OpenAI, Anthropic, or local models) through prompt design, argument-code, or Cursor-based pipelines.
• Actively participate in technical discussions
• Participate in architectural design sessions, overall team meetings, product meetings, and communities of practice
• Create architectural designs to illustrate high-level solutions for applications and feature requests
• Architect, design, and collaborate with the team to deliver features and services into production
• Write and implement efficient, scalable, and secure backend code
• Conduct code reviews, maintain technical documentation, and support deployed systems

English level: at least Upper Intermidiate